Vacuum cleaner



March 29, 1932. c, MCLARE-N, 1,851,200

VACUUM CLEANER Filed July 18, 1927 2 Sheets-Sheet '1 anbentoz March 29,1932.

v A. c. M LAREN VACUUM CLEANER Filed July 18, 1927- 2 Sheets-Sheet F I 4v 5 3140214 500 flZex C/Zclaren attorney) '25 Figure 4.

Patented Mar. 29, 1932 VUNITED STATESPATENT OFFICE" .arnx c. MGLAREN, ornn'rnorr,

MICHIGAN, ASSIGNOB TO EUREKA VACUUM CLEANER COMPANY, OF DETROIT,MICHIGAN,

A. conronarron or. MICHIGAN VACUUM CLEANER Application mainl is, 1927.Serial no. 206,633

The invention relates to vacuum cleaners and refers more particularly tovacuum cleaners of the portable type. One object is to provide animproved mounting for securing a G suction tool to the fan casing.v Withthis as .well as other objects in view, the invention resides in thenovel features of construction and combinations and arrangementsof'parts as more fully hereinafter set forth.

In the drawings 1- Figure 1 is a side elevation with parts broken awayof a vacuum cleaner, embodying my invention;

Figure 2 is a cross section on the line 2- -2 of Figure 1;

' Figures 3 and 4 are cross sections, respectively, on the lines 33 and4-4 of Figure 2;

Figure 5 is a sectional elevation of a portion of vacuum cleaner,including the wheeled support for the rear end thereof;

I Figure 6 is a cross section on the line 6-6 of Figure 5; a v o Figure7 is a fragmentary sectional view through a portion of the The vacuumcleaner has the motor casing 1 and the fan casing 2, the latter havingthe inlet 3 and the discharge wheels and 6 the rear wheel for supportingthe vacuum cleaner and the carriers for these wheels are detachablysecured to the vacuum cleaner so that in the event that they are.

broken they may be readily replaced.

7 is the front wheel carrier which is in the nature of a bar and extendstransversely of the vacuum cleaner and is detachably secured to the fancasing. The front wheels 5 are "ournaled at the opposite ends of thiscarrier.

e carrier is provided with theupwardly extending flange 8 and with'thelateral flange 9, the former flange abutting the front face of the fancasin and the latter flange abutting the bottom 0 the fan casing. 10 and11 are arms '13 at. the rear-ends of which the rear gaged by the knurledstructure shown in v 4. 5 are'thefront screws respectively extendingthrough the flan es 8 and 9 and threaded into the fan caswheelfi isjournaled. This frame also has the web 14 extending between and integralwith the arms at their front ends. 15 is a block which is rigidlysecured to and depends from the motor casing 1, the bolt 16 and nut 17securing the block to the motor casing. The block has extending upwardlytherefrom near its front end, the pro ection 18 which extends into themotor casing to hold the block from rotating about its securing bolt.This block is embraced by the arms 13 which are pivotally connectedthereto inte'rmediatetheir ends by the pivot 19. For angularly adjustingthe frame about its pivot, I have provided the threaded member 20 whichis plvotally con- 5 nected at its upper end to the block 15 in advanceof the pivot 19 and depends downwardly through a longitudinallyextendingslot in the web 14, this threaded member being ennut 21 whichengages 10the lower face of the web, 22 is a coiled spring encircling the threadedmember 20 and abutting the upper face of the web and the washer 23 whichalso encircles the threaded member 20 and abuts the enlarged portion aformed at the upper-end and through which the pivot extends. v 4

With this arrangement it will be seen that in the event of either. thewheel carriers being broken they may be readily replaced. It will goalso'be seen that by reason of making the rear carrier adjustable, theheight of the mouth of the suction nozzle of the vacuum cleaner may bereadily adjusted.

The suction tool shown in the present instance is the suction nozzle 24,which is detachably secured to the fan casing and opens into its inlet3. This suction nozzle has the radial flange 25, which is adapted toabut against the front face of the fan casing 2 and form a tight jointtherewith. 26 is a resilient clip permanently secured to the lowerportion of the radial flange'and depending therebelow. For detachablysecuring this clip to the vacuum cleaner the front wheel carrier 7 hasthe central portion of its vertical flange 8 spaced from the front faceof the easing to .form an upwardly openin slot for receiving thedepending portion 0% the clip.

This portion of thewheel carrier is also pref- 10o erably provided withthe wear plate 27, which is anchored as by welding or. the like, in thewheel carrier and is engageable by the lower edge of the clip when thesuction nozzle is in operative position upon the fan casing. 28 is aknob permanently secured to the upper portion of the front face of thefan casing and preferably yieldably forced toward the same y the spring29, this knob being rotatable to engage over the upper portion of theradial flange to clamp the same against the fan casing. To center thesuction nozzle upon the fan casing the depending portion of the clip isprovided with the central vertically extending'slot 30 and the fancasing has the transverse pin 31 for engaging the slot. The upperportion of the radial flange is also provided with the verticallyextending slot 32 and the fan casing is provided with the transverse pin33 for engaging this slot. The clip is bowed as illustrated in Figure 7,and the lower edge 35 thereof normally extends outwardly away from thelane ofthe portion 36 thereof. The clip ing resilient and bowed, has itslower edge engage the wear plate 27 and permits upward and rearwardswinging of the suction nozzle with the lower portion of its radialflange first engageable with the casing and then the upper portion ofits radial flange engageable with the fan casing, at which time thesuction nozzle is in a position where the knob maybe rotated to engagethe radial flange. Since the edge 35 of the clip is placed under tensionduring swinging of the nozzle to its operative position, the lowerportion of the lateral flange of the nozzle is resiliently forcedagainst the fan casing. Since the knob is also resiliently forced towardthe fan casing, the radial flange is firmly heldagainst the fan casingto form a tight joint and to further prevent any rattling. Furthermore,the suction nozzle may be readily secured to or disconnected from thefan casing and replacd by another similarly equipped suction tool.

What I claim as my invention is:

1. In a vacuum cleaner, the combination with a fan casing, of a suctiontool, a bracket secured to said casin and having a portion spacedtherefrom to orm a slot, a bowed resilient clip permanently secured tosaid tool and having a free edge portion detachably engageable in theslot, and a device opposite said clip and cooperating therewith todetachably secure said tool to said casing, the bowed portion of saidclip being adapted to be placed under tension when said tool isinoperative position to force said tool toward said casing.

2. In a vacuum cleaner, the combination with a fan casing, a suctiontool, and a mem- In testimony whereof I aflix my signature.

ALE-X C. MCLAREN.

ber carried by said fan casing and detachably I engageable with aside ofsaid suction tool,

- of means carried by said fan casing and providing a slot adjacent saidsuction tool at a point opposite said member, and a clip fixed

